[slurm-users] giving smaller jobs higher priority

[Jessica Nettelblad]

We have
* high priority qos for short jobs. The qos is set at submission time by
the user or in the lua script.
* partitions for jobs of certain length or other requirements. Sometimes
several partitions overlap.
* a script that adjusts priorities according to our policies every 5
minutes.

By combining these three methods, we've managed to get a pretty good
balance for our needs.

Best regards,
Jessica Nettelblad, UPPMAX, Sweden

On Wed, Nov 22, 2017 at 5:53 PM, Satrajit Ghosh <satra at mit.edu> wrote:

> slurm has a way of giving larger jobs more priority. is it possible to do
> the reverse?
>
> i.e., is there a way to configure priority to give smaller jobs (use less
> resources) higher priority than bigger ones?
>
> cheers,
>
> satra
>
> resources: can be a weighted combination depending on system resources
> available:
>
> w1*core + w2*memory + w3*time + w4*gpu
>
> where core, memory, time, gpu are those requested by the job, and w1-4 are
> determined by system resources/group allocations.
>
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